Cultivator.



J. L. GRAHAM.

GULTIVATOR.

APPLIVUATION FILED JUNE 3,1912. 1, 1 32 ,842. Patented Mar. 23, 1915.

3 SHEETS-SHEET 1- 1n: NORRIS PETERS co), wAsmNaIoN, o. c.

J. L. GRAHAM.

GULTIYATOR. APPLICATION FILED JUNEB, 1912.

1, 1 32,842. Patented Mar. 23, 1915.

3 SHEETS-SHEET 2.

THE NORRIS PETERS cm, WSHINCTON, n. c.

J. L. GRAHAM.

OULTIVATOR.

APPLICATION I'ILBD JU'NE 3,1912.

Patented Mar. 23, 1915.

3 SHEETS-SHEET 3.

IIIIIIIIII/I/I/If of @INVENTOR THE nmams parses co., wasumarcn, 11c,

JESSE Il- GBAHAM, 0F PRINCETON, IOWA.

CULTIVATOR.

Specification of Letters Patent.

Application filed June a, 1912. Serial No. 701,263.

To all whom it may concern:

Be it known that I, Jnssn L. GRAHAM, a citizen of the United States,residing at Princeton, county of Scott, and State of Iowa, have inventedcertain new and useful Improvements in Cultivators, of which thefollowing is a specification.

This invention relates to cultivator-s.

My object is to provide, first, a cultivator having new means forconnecting the cultivating implements to the machine and for raising,lowering and guiding the cult1vating'implements in relation to themachine and to the rows of hills; second, to provide, in acultivator,novel means for connecting the plows, shovels or gangs together, so thatthey may be simultaneously or independently turned without requiring theuse of a wrench; third, to provide, in a cultivator, an improvedadjustable connection between the arches for the gangs, wherebydifferent adjustments and positioning of the parts may be readilyeffected according to the nature of the cultivation to be carried on.

One embodiment of the invention is set forth fully hereinafter anddisclosed in the accompanying drawings, in which- Figure l is a planview showing so much of a wheeled cultivator as will disclose how mvinvention is applied thereto; Fig. 2, a side elevation of the partsshown in Fig. 1 Fig. 3, a rear end elevation; Fig. 4, a detailperspective of the supporting, elevating and lowering means for thecultivating devices; Fig. 5, a detail of two of the levers of F 1g. 4;Fig. 6, a rear elevation of a part of the hitch or draft bar; Fig. 7 aplan thereof; Fig. 8, a detail plan, with parts in section, of theconnecting device between the arches; Fig. 9, a rear elevation partiallyin section, of a gang of shovels and the means for connecting them to anarch and for their adjustment; Fig. 10, a longitudinal section throrghone of the holders for a shovel shank of Fig. 9; and alsoshowing themeans for connecting the shovel to its shank; Fig.

11, a cross section on line 1010, Fig. 10; Fig. 12, a plan view of thedevices of Fig. 9; and Fig. 13, a detail view with parts in sect on,showing one of the draft devices.

The cultivator frame is shown at 1 and its wheels at 8.

The cultivator has inner and outer frame members 1 and 2, preferably ofangle iron, which are connected by braces 3 at the front and by braces 4at the rear.

The frame members 1 are extended rear- Wardly and connected by a brace23 which also serves as a track, said brace having a flat top. Eachextension of the frame 1 is provided with rollers 24 adapted to turn onvertical axes and'rollers 25 positionedto rotate on a horizontal axis.Resting upon the respective rollers 25 and bearing against therespective rollers 24 are the tubular sleeves 26 and 27, and extendingcentrally thereof is a shaft or rod 28. Secured to the shaft 28 aresegments 29 and 30. Loose on the shaft 28 are levers 31 and 32 havingsuitable latch mechanism adapted to engage with the segments 29 and 30to lock the levers in different positions. The levers are provided withprojecting sleeve parts 33 and 34 adapted to be engaged with chains 35and 36 for connection to the inner gangs of cultivating devices as willappear more fully hereinafter. Secured to the sleeves 26 and 27 arelevers 37 and 38 whichhave suitable latch mechanism adapted to engagethe respective segments 29 and 30, whereby the sleeves 26 and 27 may belocked in different positions to which they may be turned. The sleeves26 and 27 have sleeve parts 39 and 40 adapted to be engaged by chains 41and 42 which are adapted to be connected to the outside gangs ofcultivating devices, as will appear more fully hereinafter.

Fastened to the shaft 28 is an arm 43" which is provided with a roller44 adapted to rest on the brace and support 23. Pivoted to the arm 43 isa leg 45 which is drawn upwardly bv a spring 46 connecting it to the arm43 and it has a roller 47 which is adapted to bear upon the brace andsupport 23 when suitably-positioned. The leg 45 is controlled by apull-rod 48 arranged for convenient operation from the seat 19. If theroller 47 is raised upon the brace and support 23, the roller 44 and thearm 43 will be elevated. The cultivator gangs will then be in raisedposition. On operating the pull-rod 48, the roller 47 may be drawnbackwardly on the brace and support 23, whereupon the arm 43 will falland the roller 44 will rest upon the brace and sup,

port 23. The cultivator gangs-will then be in lowered position.Whichever of the rollers 4447 is resting upon the brace and support 23,the entire supporting and con-v necting means for the cultivator gangs,em-

bodying the shaft 28 and the, sleeves 26 and,

27, the le'vers,-etc., 'may'move crosswise of Patented Mar. 23, 1915.

the machine with little friction due to the employment of the rollers2l25 and the travel of the roller 44 on the support 23, andconsequently, the operator may move the gangs with his feet to the rightor left to satisfy conditions of the ground and according to the natureof the cultivation wh ch he desires to carry on.

Beneath the frame are rollers 49 whose axes are arranged horizontallyand pairs of rollers 50 whose axes are arranged vertically, the rollersbeing sustained from the frame. Resting upon the rollers 49 and guidedby the rollers 50, is a hitch bar 51 for the connection of the gangs ofcultivating devices, as will presently appear, so that the draft on thecultivating devices and their suspension by the chains 35, 86, 11 and42, enables the cultivating gangs to shift laterally and thus workstraight with the rows.

The cultivating devices such as shovels presently described, aresupported by arches 52 and 53 to which the chains 41 and 4:2 connect.The arches are connected by a two-part bar, the ends of whose members 51 and 55 are pivoted to the arches at 56, thus enabling the arches totilt or swing vertically in relation to each other while at the sametime mutually bracing them and preventing them from interfering witheach others action or one set of gangs of shovels interfering withanother set thereof. The adjacent faces of the members 54 and 55 areprovided with serrations or teeth 57 whose teeth are inclined in suchmanner that any tendency of the arches 52 and 53 to separate or pullapart will tend to more tightly lock the clamp, Fig. 8, used to securethem. The clamp, Fig. 7, consists of a boxing 58 e1nbracing the serratedparts of the members 54: and 55 and an eccentric clamp 59 pivotedthereto at 60, the eccentric head of the clamp bearing against one ofthe members, whereby the serrated parts of the members are lockedtogether. On throwing the handle of the clamp back, any desiredadjustment to take up or let out the members 54 and 55 may be obtained.

Receiving the lateral extensions 61 of the arches are clamp boxes 62having eccentric clamps 63 similar in every way to the eccentric clamps59 and cotiperating with the extension 61 to clamp the boxes 62 thereto.The lower edges of the extension 61 have serrations 61 and on the insideof the bo tom of each box 62 are corresponding serrations 65 adapted toengage therewith, whereby the box is securely held where clamped. Castintegral with each clamp box 62 is a horizontal brace or plate 66 havinground holes 67 therein. Rigidly secured to or cast integral with theplate 66 is a segment 68. Bolted to plate 66 is an arm 69 having roundeyes 70 at its ends. The shovel holders 71 and 72 have a square hole 73extending therethrough from end to end. A their opposite ends they areprovided with round parts 74: and 75, the former being rotatablyreceived in the holes 67 and the latter rotatably received in the eyes70. Extending through and fitting the square openings 73 are the shanks76 of the shovels 77 and 78, the upper ends of the shanks 76 beingprovided with screw-threads and receiving nuts 79 by which the shanks 76are prevented from dropping out of the holders 71 and 72. The holders 71and 72 are provided with eccentric clamps 80 and 81 corresponding to theclamps 59, the eccentric heads of the clamps being pivoted to theholders and working through slots therein and adapted to directly bearagainst the shanks 76. The mounting for the shanks 76 and the holders 71and 72 is such that the holders and the shanks carried thereby may beturned as desired. Secured to or cast integral with the holder 71 is anarm 82, Secured to or cast integral with the holder 72 is a lever 83which is provided with a latch adapted to engage the segment 68.Pivotally connecting the arm 82 and lever 83 is a jointed brace andconnector 81 whose parts are similar to the parts 5 1, 55 and 57 andwhich are adapted to be clamped together by an eccentric clamp 85similar to the eccentric clamp 59.

By unlatching the lever 83 from the seg ment 68, the holders 71 and 72may be simultaneously turned to maintain the parallelism of the shovels77 and 78, but to vary their inclinations in reference to the row. Onreleasing the clamp 83, the parts of the connecting bar 8 will bereleased from each other and either of the shovels 77, 78, may then begrasped by its heel and, with its holder, 71 or 72, turned in eitherdirection to cause it to draw either more nearly parallel with the rowor more at an angle thereto. The clamp 85 can then be re-locked.

Referring to Figs. 9 and 10, the shovels 77 and '78 have an adjustableconnection with their shanks 76 by which they may be tilted upwardly anddownwardly to cause their toes to dig more or less deeply into theearth. At 86 is a plate having elongated slots 87 through which passbolts 88 connecting the plate to the shovel. The slots and bolts permittilting the shovel as may be desired. Cast integral with the plate86 isa socket 89 having a conical interior 90 which receives a conical foot91 on the shank 76. A hole extends through the foot 91 and a bolt 92which passes through said hole, also passes through the end of thesocket 89 and is provided with a nut for regulating the adjustment. Theother end of the bolt 92 has an eye 93 which is received in thebifurcated end 9% of an eccentric clamp 95 and is connected thereto by across pin or bolt 96.

When the eccentric clamp 95 is suitably positioned, the socket 89 iswedged onto the'foot 91, and the shovel is firmly held. On swlnging theclamp 95 in the opposite direction,

the socket is released from the foot 91 and the shovel can then be swungone way or the other sidewise to regulate the angle of its general planeor extent to the soil, after which the clamp may be locked.

The clamp 59 and associateddevices provide means whereby the arches 52and 53 may be spaced nearer to or farther away from each other; thepivots 56 permit the arches and the gangs of shovels carried thereby tooscillate or relatively move as may be necessary according to thecultivation that is necessary; the clamps 63 and their associateddevices afford means for shifting a gang of shovels on its own arch sothat the gangs of the different arches may be moved toward or away fromeach other to meet re: quirements; the clamps 80, 81 andassociated meanspermit the shovels to be arranged at any desired angles initially,considered in the direction of travel of the machine; the parts 82, 83,68, s4 and 85 afford means whereby the shovels may be swung to differentangles in relation to the direction of travel or one shovel of a, gangmay be arranged in any desired relation to the other shovel thereof; andthe clamps 95 and associated means permit the positioning of the toes ofthe shovels as desired and the slant of the shovels to be regulated asmay be found necessary.

The part 97 has an eye which receives the hitch bar or rod 51and isprevented from sliding thereon by spring cotters or other devices 100.'The members 98 are pivoted at 101 to a yoke 102 which has a slottedsegment 103 to which the part 98 may be clamped at any desired positionby a clamp 104 similar to the clamp 59. This construction enables theshovels to be set so that their toes will point into the ground or pointout. The arms of the yoke 102 have holes which receive spools 105loosely surround-.

ing a bolt 106. The spools or sleeves 105 are adapted to bear againstthe plate 66 and the member 69, the bolt 106 passing through the two,thereby assisting in holding the parts 66 and 69 together, while thebolt 106 forms a connection with the plate 66 and hence with the arch 52or 53, whereby the arches are hitched to the bar 51. The spools orsleeves 105 permit oscillation of the yokes 102 in relation to the parts66 and 69. .Preferably, two draft devices of the character set forthwill be provided for each of the arches.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is

1. In a cultivator, the combination with the cultivator frame, ofcultivating devices, draft means connecting the cultivating devices tothe-cultivator frame and arranged toshift as an entirety transversely ofsaid frame, and raising and lowering means connecting the cultivatingdevices to the cultivator frame which are also shiftable transverselythereof with the draft means.

2. In a cultivator, the combination with the cultivator frame, of ahitch or draft 'bar adapted to slide or move as an entirety transverselyof the cultivator frame, independent eultivating devices connectedindependently to said hitch or draft bar at different points of thelength thereof by dragging devices, said cultivating devices beingadapted to shift bodily transversely ofthe cultivator with said hitch ordraft bar, rollers supporting the draft bar, and rollers against. whichthe draft bar bears.

3. In a cultivator, the combination with the frame thereof, ofindependent cultivating devices, means connecting said devices to theframe, and raising and lowering means for said cultivating devicesembodying inner and outer telescoped shafts adapt ed to slide togetheras an entirety transversely of the frame, independent means for turningsaid shafts and locking them, and connections between the shafts and therespective cultivating devices.

4. In a cultivator, the combination with the frame thereof, ofindependent cultivating devicesfmeans connecting said devices to theframe, raising and lowering means for said cultivating devices embodyinginner and outer telescoped shafts adapted to slide together as anentirety transversely of the frame, connections between the shafts andthe respective cultivating devices, means on the frame supporting saidshafts so that they may shift or slide together as an entiretytransversely thereof, means for preventing backward turning of theshafts, and independent means for turning the shafts, whereby thecultivating devices may be independently'raised or lowered.

5. In a cultivator, the combination with the frame, of a cultivatingdevice connected thereto, a rotatable shaft mounted on the frame toslide transversely thereof, means for turning said shaft and for lookingit where turned, and an operative connection between the shaft and thecultivating device whereby the cultivating device may be raised orlowered.

6. In a cultivator, the combination with the frame, of telescoped shaftsboth mounted on the frame to slide as an entirety transversely thereof,means for preventing one of the shafts from turning, a lever for turningthe other shaft, means for locking the lever, a cultivating deviceconnected to the frame, and a connection between the cultivating deviceand the lever-operated shaft.

7. In a cultivator, the combination with the frame thereof, of a shaftmounted to shift transversely of said frame, a support on the frame, anarm connected to the shaft and adapted to bear against and slide uponsaid support, a member movably connected to the said arm which is alsoadapted to rest against and slide upon the support when the arm israised, a shaft telescoped over the shaft first-named and adapted toturn thereon, means for turning said last-named shaft and for locking itwhere positioned, a cultivating device connected to the frame, and aconnection between the cultivating device and the shaft last-named.

8. In a cultivator, the combination with the frame thereof, of sleeveshafts mounted to turn and to slide transversely thereof, a shaftarranged within the sleeve shafts and bodily slidable transversely inrelation to the frame with said sleeve shafts, segments on the innershaft, levers loose on the inner shaft and having latching means adaptedto engage with the segments, cultivating devices connected to the frame,connections between certain of the cultivating devices and the leversaforesaid, connections between other cultivating devices and the sleeveshafts aforesaid, levers connected to the sleeve shafts and havinglatching means adapted to engage the segments aforesaid, and means forsupporting the inner shaft against turning.

9. In a cultivator, the combination with the frame thereof, of sleeveshafts mounted to turn and to slide transversely thereof, a shaftarranged within the sleeve shafts and slidable transversely of the frametherewith, segments on the inner shaft, levers loose on the inner shaftand having latching means adapted to engage with the segments, cultivating devices connected to the frame, connections between certain ofthe cultivating devices and the levers aforesaid, connections betweenother cultivating devices and the sleeve shafts aforesaid, leversconnected to the sleeve shafts and having latching means adapted toengage the segments aforesaid, a support on the frame, an arm secured tothe inner shaft and resting upon said support, a member movablyconnected to the arm which may be made to restupon the support when thearm is raised, and means for shifting said movable member.

10. In a cultivator, the combination with independently suspended archeshaving laterally extending arms, of a connection between said archeswhich keeps them separate but permits their relative up and downmovement, and cultivating devices having adjustable connections to therespective arch arms, whereby the cultivating devices suspended by thearches may be adjusted toward and away from each other along said archarms.

11. In a cultivator, the combination with cultivator units each havingan axially rotatable stem, of a direct connection between said stems, amanually operable device for simultaneously turning at will said stemsthrough the medium of the connection aforesaid, and means for lockingthe units after such turning.

12. In a cultivator, the combination with cultivator units each havingan axially rotatable stem, of a direct adjustable connection betweensaid stems whereby they may be initially relatively adjusted andmaintained in such relative adjustment, a manually operable device forsimultaneously turning at will said stems through the medium of theadjustable connection aforesaid. and means for locking the units aftersuch turning.

13. In a cultivator, the combination with a plurality of cultivatorunits each having an axially rotatable stem, of a detachable connectionbetween the said stems, whereby they may be simultaneously turned whencoupled together thereby, said stems being independently rotatable whensaid connection is released, and means for locking the stems after theirjoint adjustment.

14. In a cultivator, the combination with a plurality of cultivatorunits each having an axially rotatable stem, of a detachable andadjustable connection between the said stems, whereby they may besimultaneously turned when coupled together thereby in any desiredrelative adjustment, said stems being independently rotatable when saidconnection is released, and means for locking the stems after theirjoint adjustment. 15. In a cultivator, the combination of a plurality ofcultivator units, each having an axially rotatable stem, of a connectionbe tween said stems, whereby they may be simultaneously turned, meansfor locking said stems after such turning, and adjust able connectionsbetween the cultivator units and their stems, whereby they may beangularly adjusted independently of their rotary adjustment by the stemsas aforesaid.

In testimony whereof, I hereunto affix my signature in presence of twowitnesses.

JESSE L. GRAHAM.

Witnesses:

J OHN A. PHELPS, M. L. HIRE.

@opiea 02 this patent may be obtained for five cents each. by addressingthe "Commissioner of Patents.

Washington, D. C.

